X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Wed, 20 Aug 2008 12:07:46 -0400 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: cygwin 1.7.0-28: Broken pipe signal broken? Message-ID: <20080820160746.GB9452@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <1KV3KS-06K7k00 AT fwd26 DOT aul DOT t-online DOT de> <20080819030025 DOT GA4204 AT ednor DOT casa DOT cgf DOT cx> <20080819032227 DOT GC4204 AT ednor DOT casa DOT cgf DOT cx> <1KVLws-1iowvw0 AT fwd25 DOT aul DOT t-online DOT de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1KVLws-1iowvw0@fwd25.aul.t-online.de> User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Tue, Aug 19, 2008 at 09:48:14AM +0200, Christian Franke wrote: >Christopher Faylor wrote: >> On Mon, Aug 18, 2008 at 11:00:25PM -0400, Christopher Faylor wrote: >> >On Mon, Aug 18, 2008 at 01:55:20PM +0200, Christian Franke wrote: >> >>Result on 1.5.25-15: >> >> >> >>$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null >> >>[SIGPIPE!]write = -1, errno = 32 >> >> >> >>Result on 1.7.0-28: >> >> >> >>$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null >> >>write = 0, errno = 32 >> > >> >Yawn. I almost went to bed without remembering into this. >> >> Yeah. "remembering into" I obviously am tired. What are the >> odds that this fix actually fixes the problem? >> > >It fixes the missing signal, but not the write() return value. > >Result with cygwin1-20080818.dll: > >$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null >[SIGPIPE!]write = 0, errno = 32 > >Unfortunately, this makes things worse: bash now exits silently on >$(...) commands, so 'bash --login' fails. I think this is fixed now. I spent a lot of time trying to get this to work exactly like linux but Windows thwarted me. It should now, at least, behave like 1.5.*. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/